Water, hydrous melting, and teleseismic signature of the mantle transition zone

Ilya Fomin*, Christian Schiffer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)
14 Downloads (Pure)


Recent geophysical and petrological observations indicate the presence of water and hydrous melts in and around the mantle transition zone (MTZ), for example, prominent lowvelocity zones detected by seismological methods. Experimental data and computational predictions describe the influence of water on elastic properties of mantle minerals. Using thermodynamic relationships and published databases, we calculated seismic velocities and densities of mantle rocks in and around the MTZ in the presence of water for a plausible range of mantle potential temperatures. We then computed synthetic receiver functions to explore the influence of different water distribution patterns on the teleseismic signature. The results may improve our understanding and interpretation of seismic observations of the MTZ.

Original languageEnglish
Article number505
Pages (from-to)1-20
Number of pages20
JournalGeosciences (Switzerland)
Issue number12
Publication statusPublished - Dec 2019

Bibliographical note

Copyright the Author(s) 2019. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.


  • mantle transition zone
  • water
  • receiver functions

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